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MathematicalPhysicist is offline
Feb12-04, 05:07 AM
P: 3,172
i think everyone is familiar to this but i wonder if someone has made his research to study it.
what i mean is the namubers that when the result of multiplying them together is the same as adding them:
for example:
2*2=2+2=4 (trivial, i know (-: ).

my question has someone prooved that the number of these pairs are finite or infinite in the real numbers?
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